/**
 * Copyright (C) 2012 FuseSource Corp. All rights reserved.
 * http://fusesource.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.fusesource.amqp.generator;

import com.sun.codemodel.*;

/**
 *
 */
public class Sizer {

    JDefinedClass definedClass;

    JCodeModel cm;
    Generator generator;

    public Sizer(Generator generator, String className) throws JClassAlreadyExistsException {
        cm = generator.getCm();
        this.generator = generator;

        definedClass = cm._class(className, ClassType.INTERFACE);

        generator.registry().cls().field(JMod.PROTECTED | JMod.FINAL | JMod.STATIC, cls(), "SIZER", JExpr.direct("AMQPSizer.instance()"));
        JMethod singletonAccessor = generator.registry().cls().method(JMod.PUBLIC, cls(), "sizer");
        singletonAccessor.body()._return(JExpr.ref("SIZER"));

    }

    public JDefinedClass cls() {
        return definedClass;
    }
}
